# Virto Commerce > Virto Commerce is an open-source, API-first B2B commerce platform built on .NET. It provides a modular commerce engine, B2B customer portals, multi-vendor marketplace and digital catalog capabilities, and runs on Virto Commerce Cloud or self-hosted. - Developer documentation is hosted on a separate domain: https://docs.virtocommerce.org - Source code and modules: https://github.com/VirtoCommerce - Full page index: https://virtocommerce.com/sitemap/main_sitemap.xml ## Platform - [Virto Commerce](https://virtocommerce.com/): B2B innovation platform for enterprises — product overview and entry point. - [Commerce Engine](https://virtocommerce.com/commerce-engine): Core commerce engine and its capabilities for complex B2B scenarios. - [Features](https://virtocommerce.com/features): Full list of platform features and capabilities. - [Pricing](https://virtocommerce.com/pricing): Subscription models and licensing options. - [Virto Commerce Cloud](https://virtocommerce.com/virto-commerce-cloud): Managed cloud hosting for the platform. - [Virto Start](https://virtocommerce.com/virto-start): Pre-configured starting point for new B2B commerce projects. - [Composable commerce](https://virtocommerce.com/composable-ecommerce): How the platform implements composable architecture (MACH-style). - [API-first commerce](https://virtocommerce.com/api-ecommerce): API-first and headless approach, GraphQL/REST integration model. - [Open-source .NET platform](https://virtocommerce.com/open-source-net-ecommerce-platform): Open-source .NET foundation and licensing model. - [Microservices](https://virtocommerce.com/microservices): Modular, microservices-based deployment model. - [Atomic architecture](https://virtocommerce.com/atomic-architecture): Architectural principles behind the platform's modularity. - [AI in commerce](https://virtocommerce.com/ai-ecommerce-platform): AI capabilities and AI-assisted B2B commerce scenarios. - [Enterprise commerce platform](https://virtocommerce.com/enterprise-ecommerce-platform): Enterprise requirements: scale, security, extensibility. - [Headless B2B commerce](https://virtocommerce.com/b2b-headless-ecommerce-solution): Headless storefront and frontend options. - [Order management](https://virtocommerce.com/solution/order-management): Order management capabilities (OMS). - [Digital catalog](https://virtocommerce.com/solutions/digital-catalog): Product data and catalog management (PIM). - [Page Builder](https://virtocommerce.com/solutions/page-builder): Visual CMS / page building for storefront content. ## Commerce engine by business model - [B2B commerce platform](https://virtocommerce.com/commerce-engine/b2b-ecommerce-platform) - [Wholesale commerce](https://virtocommerce.com/commerce-engine/wholesale-ecommerce-platform) - [For manufacturers](https://virtocommerce.com/commerce-engine/for-manufacturers) - [For distributors](https://virtocommerce.com/commerce-engine/for-distributors) - [Multi-brand](https://virtocommerce.com/commerce-engine/multi-brands) - [Multi-channel](https://virtocommerce.com/commerce-engine/multi-channel-ecommerce) - [International commerce](https://virtocommerce.com/commerce-engine/international-ecommerce) ## B2B portals - [Virto Portal](https://virtocommerce.com/portal): Self-service portal solution overview. - [B2B portal](https://virtocommerce.com/portal/b2b) - [B2B customer portal](https://virtocommerce.com/portal/b2b-customer) - [B2B loyalty portal](https://virtocommerce.com/portal/b2b-loyalty) - [Content-driven portal](https://virtocommerce.com/portal/content-driven) - [Portal for manufacturers](https://virtocommerce.com/portal/manufacturers) - [Portal for distributors](https://virtocommerce.com/portal/for-distributors) - [Supplier portal](https://virtocommerce.com/portal/supplier) - [Vendor portal](https://virtocommerce.com/portal/vendor) ## Marketplace - [Virto Marketplace](https://virtocommerce.com/marketplace): Marketplace software overview. - [Multi-vendor marketplace](https://virtocommerce.com/marketplace/multi-vendor) - [B2B marketplace](https://virtocommerce.com/marketplace/b2b-marketplace-platform) - [B2C / retail marketplace](https://virtocommerce.com/marketplace/b2c-marketplace-retail) - [Procurement marketplace](https://virtocommerce.com/marketplace/procurement-marketplace) - [Group purchasing marketplace](https://virtocommerce.com/marketplace/group-purchasing-marketplace) - [Service marketplace](https://virtocommerce.com/marketplace/service-marketplace) - [Circular marketplace](https://virtocommerce.com/marketplace/circular) - [B2B2C marketplace for distributors](https://virtocommerce.com/solutions/b2b2c-marketplace-for-distributors) ## Industries - [Manufacturing](https://virtocommerce.com/industry/manufacturing) - [Automotive](https://virtocommerce.com/industry/automotive) - [FMCG B2B](https://virtocommerce.com/industry/fmcg-b2b-ecommerce) - [HVAC](https://virtocommerce.com/industry/hvac) - [Pharmaceutical](https://virtocommerce.com/industry/pharmaceutical) - [Custom printing and apparel](https://virtocommerce.com/industry/custom-printing-apparel) - [Retail](https://virtocommerce.com/industry/retail) - [Non-profit](https://virtocommerce.com/industry/non-profit) ## Integrations - [Key commerce integrations](https://virtocommerce.com/integrations/key-ecommerce-integrations): Integration catalog overview. - [ERP integrations](https://virtocommerce.com/integrations/ecommerce-erp-integrations) - [Builder.io headless CMS](https://virtocommerce.com/integrations/builder-headless-cms) - [Pimberly PIM](https://virtocommerce.com/integrations/pimberly) ## Developers - [Documentation](https://docs.virtocommerce.org): Official developer and administrator documentation. - [GitHub](https://github.com/VirtoCommerce): Platform source code, modules, frontend and sample projects. - [Interactive demo](https://virtocommerce.com/interactive-demo): Guided product demo in the browser. - [Demo library](https://virtocommerce.com/demo-library): Recorded demos by scenario. - [Free trial](https://virtocommerce.com/virto-commerce-trial): Trial environment request. - [Training](https://virtocommerce.com/training): Training programs for implementation teams. ## Resources - [Blog](https://virtocommerce.com/blog): Articles on B2B commerce, architecture and platform releases. RSS: https://virtocommerce.com/blog/rss - [Case studies](https://virtocommerce.com/case-studies): Customer implementations and results. - [Assets](https://virtocommerce.com/assets): Whitepapers, guides, webinars and podcasts. - [ROI calculator](https://virtocommerce.com/ecommerce-roi-calculator): Commerce ROI/TCO estimation tool. - [Industry recognition](https://virtocommerce.com/industry-recognition): Analyst reports and awards. ## Company - [About us](https://virtocommerce.com/about-us): Company overview. - [Partners](https://virtocommerce.com/our-partners): Solution and technology partners. - [Become a partner](https://virtocommerce.com/become-a-partner) - [Careers](https://virtocommerce.com/career) - [Contact us](https://virtocommerce.com/contact-us) ## Optional - [Request a demo](https://virtocommerce.com/request-demo): Sales contact form. - [Request a license](https://virtocommerce.com/request-license): Commercial license request form. - [Expert consultation](https://virtocommerce.com/expert-consultation): Consultation request form. - [Newsletter](https://virtocommerce.com/newsletter-subscription): Email subscription form. - [Guarantee](https://virtocommerce.com/guarantee): Commercial guarantee terms.